JP5154408B2 - 好酸球増加症候群のためのピリミジルアミノベンズアミド誘導体 - Google Patents
好酸球増加症候群のためのピリミジルアミノベンズアミド誘導体 Download PDFInfo
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- JP5154408B2 JP5154408B2 JP2008509363A JP2008509363A JP5154408B2 JP 5154408 B2 JP5154408 B2 JP 5154408B2 JP 2008509363 A JP2008509363 A JP 2008509363A JP 2008509363 A JP2008509363 A JP 2008509363A JP 5154408 B2 JP5154408 B2 JP 5154408B2
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- C07D401/00—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom
- C07D401/02—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom containing two hetero rings
- C07D401/04—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom containing two hetero rings directly linked by a ring-member-to-ring-member bond
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- A61K31/505—Pyrimidines; Hydrogenated pyrimidines, e.g. trimethoprim
- A61K31/506—Pyrimidines; Hydrogenated pyrimidines, e.g. trimethoprim not condensed and containing further heterocyclic rings
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- C07D401/14—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom containing three or more hetero rings
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Description
本発明は、TEL−PDGFRβまたはFIP1L1−PDGFRαにより誘導される骨髄増殖性疾患の処置のためのピリミジルアミノベンズアミド誘導体の使用、TEL−PDGFRβまたはFIP1L1−PDGFRαにより誘導される骨髄増殖性疾患の処置のための医薬の製造、ならびにTEL−PDGFRβまたはFIP1L1−PDGFRαにより誘導される骨髄増殖性疾患を有する、とりわけ骨髄単球性白血病、好酸球増加症候群および慢性好酸球性白血病;最もとりわけ、イマチニブに対して耐性を有する好酸球増加症候群またはイマチニブに対して耐性を有する骨髄単球性白血病を有する温血動物に、ピリミジルアミノベンズアミド誘導体を投与するヒトを含む温血動物の処置のための方法に関する。
TEL−PDGFRβは、慢性骨髄単球性白血病(CMML)、異常な骨髄造血、好酸球増加症、骨髄線維症により、および高頻度の急性骨髄性白血病への進行により特徴付けられる骨髄増殖性疾患と関係する融合キナーゼである。
本発明は、FIP1L1−PDGFRαまたはTEL−PDGFRβにより誘導される骨髄増殖性疾患の処置のための、とりわけ骨髄単球性白血病、好酸球増加症候群、慢性好酸球性白血病およびイマチニブに対して耐性を有する好酸球増加症候群またはイマチニブに対して耐性を有する骨髄単球性白血病の治療的および/または予防的処置のための医薬組成物の製造を目的とした、式(I):
R1は、水素、低級アルキル、低級アルコキシ−低級アルキル、アシルオキシ−低級アルキル、カルボキシ−低級アルキル、低級アルコキシカルボニル−低級アルキル、またはフェニル−低級アルキルを示し;
で示されるピリミジルアミノベンズアミド化合物、およびかかる化合物のN−オキシドまたは薬学的に許容される塩の使用に関する。本発明はさらに、FIP1L1−PDGFRαまたはTEL−PDGFRβにより誘導される骨髄増殖性疾患の処置または予防のための、とりわけ骨髄単球性白血病、慢性好酸球性白血病、好酸球増加症候群およびイマチニブに対して耐性を有する好酸球増加症候群の治療的および/または予防的処置のための、式Iの化合物の使用に関する。
TEL−PDGFRβ[T/P]、FIP1L1−PDGFRα[F/P]およびFIP1L1−PDGFRα T674Iを、MSCV−IRES−GFP[MSCV−GFP]中にクローニングし、TEL−PDGFRβ、TEL−PDGFRβ T681IおよびTEL−FGFR3[T/F]を、MSCV−ネオマイシン[MSCV−neo]中にクローニングする。D842V変異を、野生型PDGFRA cDNA中に導入し、MSCV−ピューロマイシン[MSCV−puro]中にクローニングする。
293T細胞を、ダルベッコの修飾イーグル培地(DMEM)+10%ウシ胎仔血清(FBS)中で培養する。Ba/F3細胞を、RPMI1640(RPMI)+10%FBS+1ng/mLマウスインターロイキン(IL)−3中で培養する。レトロウイルス上清を作製し、Ba/F3細胞を形質転換するために用いる。T/P MSCV−neoおよびT/F MSCV−neo細胞株を、IL−3の存在下で、8−10日間、1mg/mL G418を用いて選択する。F/P MSCV−GFP細胞株を、7−10日間、RPMI中IL−3の不存在下で選択する。PDGFRα D842V MSCV−puro細胞株を、7−14日間、2μg/mLピューロマイシン中で選択する。形質転換したBa/F3細胞を、RPMI中IL−3の不存在下で増殖させる。
細胞の生存および増殖における化合物の効果を、供給者の指示書に従い、Perkin Elmer Life Sciencesから供される発光性ATP検出アッセイキットであるATPLite(商標)(カタログ番号:6016947)を用いて決定した。このアッセイ系は、ATPと付加したルシフェラーゼおよびD−ルシフェリンとの反応により生じる光(発光)の産生に基づく。
F/Pについて:Ba/F3細胞を、FBSまたはIL−3不含有RPMI中、4時間、指定した濃度の化合物(II)を用いてインキュベートする。細胞を、溶解緩衝液[1M Na2EDTA、1M NaF、0.1%トライトンX−100、200mM Na3VO4、200mMフェニルサルシンオキシドおよび完全プロテアーゼ阻害剤錠剤(Roche)を含むPBS]中で溶解する。50μgのタンパク質溶解物を、還元SDS ローディングバッファー+ジチオスレイトール(Cell Signaling)と合わせ、10−12%SDS−PAGEゲル(Tris−HCL ready−gel、Bio−Rad)上で電気泳動し、ニトロセルロース膜にトランスファーする。用いる抗体は、ホスホ−PDGFRα(Tyr720)、PDGFRα 951、Stat5−b(Santa Cruz);ホスホ−Stat5(Tyr694)(Cell Signaling);抗ウサギペルオキシダーゼ(Amersham Pharmacia Biotech)である。
マウス骨髄移植実験を、既報の通りに行う。MSCV−GFPレトロウイルス上清を、上清(+ポリブレン、10μg/mL)を用いてBa/F3細胞を形質転換することにより滴定し、GFP+細胞の割合を、形質導入の48時間後にフローサイトメトリーすることにより分析する。Balb/C供与側マウス(Taconic)を、5−6日間、5−フルオロウラシル(150mg/kg、腹腔内投与)で処理する。供与側マウスから骨髄細胞を集め、赤血球溶解バッファーで処理し、移植培地(RPMI+10%FBS+6ng/mL IL−3、10ng/mL IL−6および10ng/mL幹細胞因子)中で24時間培養する。細胞を、レトロウイルス上清(4×106細胞当たり1mL上清、+ポリブレン)のスピン感染(spin infection)により処理し、2500rpmで90分間遠心する。24時間後、スピン感染を繰り返し、次いで細胞を洗浄し、ハンクス平衡塩溶液中に再懸濁し、0.5−1×106細胞/マウスにて、致死的な放射線を浴びた(2×450 rad)Balb/C受容側マウス(Taconic)の側方尾静脈中に注入する。化合物(II)を粉末として供給し、NMP(N−メチル−2−ピロリドン、Aldrich)中の保存溶液として調製し、注射用のポリエチレングリコール300(Sigma)中に希釈する。移植後11日目から、動物を、24時間毎に、22ゲージの強制飼養針で経口的に75mg/kg/日 化合物(II)またはプラセボ(ポリエチレングリコール、化合物(II)と同じ容量)で処理する。動物を、それらが触知可能な脾腫を有したとき殺すか、または健康であっても、プラセボ群の最後の動物の死後7日目に殺した。
末梢血を、ヘパリン化ガラスキャピラリー管を用いて後眼窩洞(retroorbital cavity)から集め、全血球数および示差血球数および染色(Wright−Giemsaで染色した)を自動分析する。脾臓および骨髄の単一細胞懸濁物を、細胞ストレイナーを通して組織を圧搾することにより製造し、次いで、赤血球細胞を溶解する。細胞を90%FBS、10%DMSO中で凍結する。
血液および/または骨髄から得られる悪性細胞中のFIP1L1−PDGFR−α転写レベルおよびc−kit/PDGFR−αの変異状態への化合物(II)の影響を、評価する。HES、SMおよびCELは、新規の融合キナーゼにより引き起こされ得る:FIP1L1−PDGFR−α SMはまた、KIT遺伝子の活性化変異体により引き起こされ得る。ベースライン、サイクル1の15日目、サイクル1、2、3の28日目および以降3サイクル毎、試験の最後でのFIP1L1−PDGFR−α転写についてQ−RT−PCRを行う。c−kit、PDGFR−αの変異分析を行う。それぞれ下記の患者集団を含む3つの分離群である:HES/CEL エンドポイント:治療後3ヶ月での応答率。
Claims (5)
- 該骨髄増殖性疾患が、骨髄単球性白血病、好酸球増加症候群、慢性好酸球性白血病およびイマチニブに対して耐性を有する好酸球増加症候群から選択される、請求項1記載の使用。
- 該骨髄増殖性疾患が、イマチニブに対して耐性を有する好酸球増加症候群またはイマチニブに対して耐性を有する骨髄単球性白血病である、請求項1または2記載の使用。
- 変異がFIP1L1−PDGFRα中に存在するFIP1L1−PDGFRαにより誘導される骨髄増殖性疾患の処置のための、請求項1ないし3のいずれか一項に記載の使用。
- 該変異がT674Iである、請求項4記載の使用。
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US67675105P | 2005-05-02 | 2005-05-02 | |
US60/676,751 | 2005-05-02 | ||
PCT/EP2006/004084 WO2006117185A1 (en) | 2005-05-02 | 2006-05-02 | Pyrimidylaminobenzamide derivatives for hypereosinophilic syndrome |
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WO2010019540A1 (en) * | 2008-08-13 | 2010-02-18 | Novartis Ag | Treatment of pulmonary arterial hypertension |
KR102080853B1 (ko) | 2017-10-30 | 2020-02-24 | 주식회사 마이크로메디 | 유방암 자가 진단기 탈부착 장치 |
CN112423757A (zh) | 2018-06-15 | 2021-02-26 | 汉达生技医药责任有限公司 | 激酶抑制剂的盐类及其组合物 |
US20240075041A1 (en) * | 2019-10-04 | 2024-03-07 | Blueprint Medicines Corporation | Treatment of eosinophilic disorders with avapritinib |
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MX2007013738A (es) | 2008-01-24 |
ES2593319T3 (es) | 2016-12-07 |
CN101160130A (zh) | 2008-04-09 |
EP2266572A1 (en) | 2010-12-29 |
CA2606068C (en) | 2013-10-29 |
EP1879584B1 (en) | 2016-06-22 |
CN101160130B (zh) | 2010-12-29 |
EP1879584A1 (en) | 2008-01-23 |
AU2006243395B2 (en) | 2010-03-11 |
KR20140071448A (ko) | 2014-06-11 |
KR20080004564A (ko) | 2008-01-09 |
RU2415672C2 (ru) | 2011-04-10 |
AU2006243395A1 (en) | 2006-11-09 |
EP2266572B1 (en) | 2016-09-21 |
US20080227800A1 (en) | 2008-09-18 |
WO2006117185A1 (en) | 2006-11-09 |
KR101519311B1 (ko) | 2015-05-11 |
RU2007144522A (ru) | 2009-06-10 |
ES2608585T3 (es) | 2017-04-12 |
US7666874B2 (en) | 2010-02-23 |
JP2008540358A (ja) | 2008-11-20 |
BRPI0611092A2 (pt) | 2010-08-03 |
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